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Description: add posix api header files from musl

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CommitID:70a1d0d4761c478b6b33c3eb29af254a445ada74
This commit is contained in:
caoruihong
2021-01-22 16:18:25 +08:00
committed by mamingshuai
parent c3a34f1b79
commit d3e54ea9aa
231 changed files with 19798 additions and 0 deletions
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26
kal/posix/include/byteswap.h Normal file
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#ifndef _BYTESWAP_H
#define _BYTESWAP_H
#include <features.h>
#include <stdint.h>
static __inline uint16_t __bswap_16(uint16_t __x)
{
return __x<<8 | __x>>8;
}
static __inline uint32_t __bswap_32(uint32_t __x)
{
return __x>>24 | __x>>8&0xff00 | __x<<8&0xff0000 | __x<<24;
}
static __inline uint64_t __bswap_64(uint64_t __x)
{
return __bswap_32(__x)+0ULL<<32 | __bswap_32(__x>>32);
}
#define bswap_16(x) __bswap_16(x)
#define bswap_32(x) __bswap_32(x)
#define bswap_64(x) __bswap_64(x)
#endif